This chapter contains sections titled: S Facts about Sulfur Sulfur in History Native Sulfur Sulfur From Pyrite Occurrence of Sulfur Volcanic Sulfur Deposits Sulfur-Containing Rocks Sulfur in Natural Gas and Mineral Oil Pyrite Manufacture of Sulfur and Its Compounds Elemental Sulfur Sulfuric Acid Global Sulfur Production Uses of Sulfur and Sulfur Compounds Sulfuric Acid Sulfur Dioxide Elemental Sulfur Sulfur in Various Compounds Sulfur in Steel Sulfur in Life The Disturbed Sulfur Cycle